Home / 99,272.22-136,995.48-56,251.62

Finding the Fourth Proportional to 99,272.22, 136,995.48 and 56,251.62

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Solution

The fourth proportional to 99,272.22, 136,995.48 and 56,251.62 is: 77,627.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,272.22 : 136,995.48 = 56,251.62 : x
  2. Step 2: Convert to fraction form
    99,272.22/136,995.48 = 56,251.62/x
  3. Step 3: Cross multiply
    99,272.22x = 136,995.48 × 56,251.62
  4. Step 4: Simplify right side
    99,272.22x = 7,706,217,682.68
  5. Step 5: Solve for x
    x = 7,706,217,682.68/99,272.22
  6. Step 6: Final answer
    x = 77,627.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.